How do I prepare my books for year-end tax preparation?
Start with reconciling every account. Bank accounts, credit cards, loans, lines of credit. Each one needs to match your statements through December 31. Unreconciled transactions mean something is missing or wrong, and your tax preparer can’t work with books that don’t balance.
Review all transactions for correct categorization. That $500 charge at Best Buy might be office equipment, computer supplies, or something personal that got put on the business card. Miscategorized expenses throw off your deductions and your financial picture. This kind of cleanup is central to sound bookkeeping and directly affects what you owe in taxes.
Clean up accounts receivable and payable. Outstanding invoices from customers who paid months ago but weren’t marked complete will throw off your revenue. Bills you paid but didn’t record will understate expenses. Make sure what’s showing as owed to you and owed by you actually reflects reality.
Handle owner transactions properly. Draws, contributions, personal expenses on business cards. These need to be in the right accounts, not mixed with business expenses. If you paid yourself and it hit an expense category, move it to owner’s draw. Personal purchases on the business card get coded to owner’s draw too.
Document fixed assets. Any equipment, vehicles, or property you bought during the year needs to be recorded as an asset, not just expensed. Your tax preparer needs to know about these for depreciation. Same goes for anything you sold or disposed of.
If you carry inventory, do a count. The physical count at year-end establishes your ending inventory, which directly affects cost of goods sold. Estimated or outdated inventory numbers mean inaccurate profit calculations and wrong tax liability.
Gather your supporting documents. You’ll need to provide 1099s to contractors you paid over $600, which means having their W-9s on file. Collect statements for loans showing interest paid. Gather documentation for vehicle mileage if you’re claiming it. Pull records for any home office deduction.
Review loan and credit balances. Your books should show what you actually owe on each loan as of December 31. If the balance in QuickBooks doesn’t match your lender statement, something was recorded incorrectly during the year.
Generate your financial statements. A clean profit and loss statement and balance sheet are what your tax preparer starts with. If these look wrong with negative bank balances, equity accounts that don’t make sense, or expense categories that are way off from prior years, there’s cleanup work to do before filing.
Set aside documents you’ve received. 1099s from clients, K-1s from partnerships or S corps, investment statements. Your tax preparer will ask for these. Having them organized saves back and forth.
The goal is handing your tax preparer clean books and complete documentation. Rushed, messy books mean more preparer time, higher fees, and a greater chance of missed deductions or errors. A Boise area enrolled agent can represent you directly before the IRS, but that expertise is most valuable when it’s built on accurate financial records.
If your books have fallen behind or need more than light cleanup, getting help before year-end is cheaper than fixing problems during tax season. Clean books make tax preparation faster and less expensive.
The Treasure Valley's Tax and Accounting Team
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